Find out that the Grand Canyon, a colossal Arizona chasm carved by the Colorado River, showcases billions of years of geological history. Its vibrant, layered rocks reveal Earth's past. A UNESCO World ...

Partial blue skies in the morning allowed many park visitors to ignore fires on the North Rim. By afternoon, ashfall made for ...

A remarkable coincidence occurred 56,000 years ago, when the impact that created Meteor Crater triggered both a ...

Featuring striking scenes from iconic locations like the **Grand Canyon**, **Petrified Forest**, and **La Brea Tar Pits in Los Angeles**, the film offers both scientific insight and visual ...

At certain sites in the Grand Canyon, more than one billion years' worth of rocks have gone missing from the geologic record. Scientists are trying to figure out why.

Now, Peak and her colleagues have found that in the Grand Canyon, at least, these rock layers were lost during a tectonic upheaval caused by the breakup of a supercontinent.

When a friend first mentioned the Grand Canyon’s Phantom Ranch, I couldn’t believe my ears.It’s America’s most elusive hotel reservation, she said, the only lodging within the canyon ...